Fix destructuring typos (#5002)

Author: theodorejb

appendices/migration85/incompatible.xml

@@ -121,10 +121,10 @@
   </sect3>
 
   <sect3 xml:id="migration85.incompatible.core.destruct-non-array-values">
-   <title>Destructing non-array values</title>
+   <title>Destructuring non-array values</title>
 
    <simpara>
-    Destructing non-array values (other than &null;) using <literal>[]</literal> or <function>list</function> now
+    Destructuring non-array values (other than &null;) using <literal>[]</literal> or <function>list</function> now
     emits a warning.
     <!-- RFC: https://wiki.php.net/rfc/warnings-php-8-5#destructuring_non-array_values -->
    </simpara>